<template>
	<div class="wrapper">

		<!-- header部分 -->
		<header>
			<p>确认订单</p>
		</header>

		<!-- 订单信息部分 -->
		<div class="order-info">
			<h5>订单配送至：</h5>
			<div class="order-info-address" @click="toUserAddress">
				<p>{{deliveryaddress!=null?deliveryaddress.address:'请选择送货地址'}}</p>
				<i class="fa fa-angle-right"></i>
			</div>
			
			<p v-if="deliveryaddress!=null">{{deliveryaddress.contactName}}{{sexFilter(deliveryaddress.contactSex)}} {{deliveryaddress.contactTel}}</p>
		</div>

		<h3>{{business.businessName}}</h3>

		<!-- 订单明细部分 -->
		<ul class="order-detailed">
			<li v-for="item in cartArr">
				<div class="order-detailed-left">
					<img :src="item.food.foodImg">
					<p>{{item.food.foodName}} x {{item.quantity}}</p>
				</div>
				<p>&#165;{{(item.food.foodPrice*item.quantity).toFixed(2)}}</p>
			</li>
		</ul>
		<div class="order-deliveryfee">
			<p>配送费</p>
			<p>&#165;{{business.deliveryPrice}}</p>
		</div>

		<!-- 合计部分 -->
		<div class="total">
			<div class="total-left">
				&#165;{{totalPrice}}
			</div>
			<div class="total-right" @click="toPayment">
				去支付
			</div>
		</div>
	</div>
</template>

<script setup>
	import { ref, onMounted, computed, getCurrentInstance } from 'vue';
	import { useRoute, useRouter } from 'vue-router';
	import axios from 'axios';
	import qs from 'qs';
	
	const { proxy }=getCurrentInstance();
	const route = useRoute();
	const router = useRouter();
	
	// 使用 ref 创建响应式数据
	const businessId = ref(route.query.businessId);
	const business = ref({});
	const user = ref({});
	const cartArr = ref([]);
	const deliveryaddress = ref({});
	
	// 在组件创建时获取数据
	onMounted(() => {
	  user.value = proxy.$getSessionStorage('user');
	  deliveryaddress.value = proxy.$getLocalStorage(user.value.userId);
	
	  // 查询当前商家
	  axios.post('BusinessController/getBusinessById', qs.stringify({
	    businessId: businessId.value
	  })).then(response => {
	    business.value = response.data;
	  }).catch(error => {
	    console.error(error);
	  });
	
	  // 查询当前用户在购物车中的当前商家食品列表
	  axios.post('CartController/listCart', qs.stringify({
	    userId: user.value.userId,
	    businessId: businessId.value
	  })).then(response => {
	    cartArr.value = response.data;
	  }).catch(error => {
	    console.error(error);
	  });
	});
	
	// 计算总价
	const totalPrice = computed(() => {
	  let total = 0;
	  for (let cartItem of cartArr.value) {
	    total += cartItem.food.foodPrice * cartItem.quantity;
	  }
	  total += business.value.deliveryPrice;
	  return total.toFixed(2);
	});
	
	// 方法
	const sexFilter = (value) => {
					return value === 1 ? '先生' : '女士';
	};
	const toUserAddress = () => {
	  router.push({ path: '/userAddress', query: { businessId: businessId.value } });
	};
	
	const toPayment = () => {
	  if (deliveryaddress.value === null) {
	    alert('请选择送货地址！');
	    return;
	  }
	
	  // 创建订单
	  axios.post('OrdersController/createOrders', qs.stringify({
	    userId: user.value.userId,
	    businessId: businessId.value,
	    daId: deliveryaddress.value.daId,
	    orderTotal: totalPrice.value,
	    businessName: business.value.businessName,
	    deliveryPrice: business.value.deliveryPrice,
	    contactName: deliveryaddress.value.contactName,
	    contactSex: deliveryaddress.value.contactSex,
	    address: deliveryaddress.value.address,
	    contactTel: deliveryaddress.value.contactTel
	  })).then(response => {
	    let orderId = response.data;
	    if (orderId > 0) {
	      router.push({ path: '/payment', query: { orderId } });
	    } else {
	      alert('创建订单失败！');
	    }
	  }).catch(error => {
	    console.error(error);
	  });
	};
</script>

<style scoped>
	/****************** 总容器 ******************/
	.wrapper {
		width: 100%;
		height: 100%;
	}

	/****************** header部分 ******************/
	.wrapper header {
		width: 100%;
		height: 12vw;
		background-color: #0097FF;
		color: #fff;
		font-size: 4.8vw;

		position: fixed;
		left: 0;
		top: 0;
		z-index: 1000;

		display: flex;
		justify-content: center;
		align-items: center;
	}

	/****************** 订单信息部分 ******************/
	.wrapper .order-info {
		/*注意这里，不设置高，靠内容撑开。因为地址有可能折行*/
		width: 100%;
		margin-top: 12vw;
		background-color: #0097EF;
		box-sizing: border-box;
		padding: 2vw;
		color: #fff;
	}

	.wrapper .order-info h5 {
		font-size: 3vw;
		font-weight: 300;
	}

	.wrapper .order-info .order-info-address {
		width: 100%;
		display: flex;
		justify-content: space-between;
		align-items: center;

		font-weight: 700;
		user-select: none;
		cursor: pointer;
		margin: 1vw 0;
	}

	.wrapper .order-info .order-info-address p {
		width: 90%;
		font-size: 5vw;
	}

	.wrapper .order-info .order-info-address i {
		font-size: 6vw;
	}

	.wrapper .order-info p {
		font-size: 3vw;
	}

	.wrapper h3 {
		box-sizing: border-box;
		padding: 3vw;
		font-size: 4vw;
		color: #666;
		border-bottom: solid 1px #DDD;
	}

	/****************** 订单明细部分 ******************/
	.wrapper .order-detailed {
		width: 100%;
	}

	.wrapper .order-detailed li {
		width: 100%;
		height: 16vw;
		box-sizing: border-box;
		padding: 3vw;
		color: #666;

		display: flex;
		justify-content: space-between;
		align-items: center;
	}

	.wrapper .order-detailed li .order-detailed-left {
		display: flex;
		align-items: center;
	}

	.wrapper .order-detailed li .order-detailed-left img {
		width: 10vw;
		height: 10vw;
	}

	.wrapper .order-detailed li .order-detailed-left p {
		font-size: 3.5vw;
		margin-left: 3vw;
	}

	.wrapper .order-detailed li p {
		font-size: 3.5vw;
	}

	.wrapper .order-deliveryfee {
		width: 100%;
		height: 16vw;
		box-sizing: border-box;
		padding: 3vw;
		color: #666;
		display: flex;
		justify-content: space-between;
		align-items: center;
		font-size: 3.5vw;
	}

	/****************** 订单合计部分 ******************/
	.wrapper .total {
		width: 100%;
		height: 14vw;

		position: fixed;
		left: 0;
		bottom: 0;

		display: flex;
	}

	.wrapper .total .total-left {
		flex: 2;
		background-color: #505051;
		color: #fff;
		font-size: 4.5vw;
		font-weight: 700;
		user-select: none;

		display: flex;
		justify-content: center;
		align-items: center;
	}

	.wrapper .total .total-right {
		flex: 1;
		background-color: #38CA73;
		color: #fff;
		font-size: 4.5vw;
		font-weight: 700;
		user-select: none;
		cursor: pointer;

		display: flex;
		justify-content: center;
		align-items: center;
	}
</style>
